my account was hacked
Only CS can assist you. You may find these articles helpful, though:
https://help.guildwars2.com/entries/66122673-Guild-Wars-2-Account-Security
https://help.guildwars2.com/entries/28147596-Hacked-Compromised-Accounts
https://help.guildwars2.com/entries/27658708-Restoring-Your-Account-After-a-Compromise
Good luck.
thank you, all problem solved
less than 24h